Examples
Alerts are available for any length of text,as well as an optional dismiss button. For proper styling,use one of the eight requiredcontextual classes(e.g.,.alert-success). For inline dismissal,use the alerts jQuery plugin.
Link color
Use the .alert-linkutility class to quickly provide matching colored links within any alert.
Additional content
Alerts can also contain additional HTML elements like headings,paragraphs and dividers.
Dismissing
Add a dismiss button and the .alert-dismissibleclass,which adds extra padding to the right of the alert and positions the .closebutton.